![Trotec BQ21 Operating Manual Download Page 9](http://html1.mh-extra.com/html/trotec/bq21/bq21_operating-manual_1171731009.webp)
EN
9
particle counter BQ21
System settings
1. Press the
SET
button (8) for approx. 2 s to open the system
settings.
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The following menu is displayed:
2. Press the
SET
(8) or
ESC
button (4) to select a submenu.
3. Press the
START/ENTER
button (6) to confirm the selection.
4. Press the
SET
(8) or
ESC
button (4) to make the desired
setting in the submenu.
5. Afterwards press the
ESC
button (4) for approx. 2 s to
leave the submenu or the system settings menu.
The following submenus offering further setting options can be
accessed from the main menu:
Submenu
Function
Date/Time
Set date and time
Alarm Set
Enabling/disabling the alarm
Bluetooth
Switching the Bluetooth
function on and off
Sample Time
Setting the measurement
duration
Unit (°C / °F)
Changing the temperature unit
Memory View
Displaying the memory use
Mass/Particle
Selecting the measuring mode
Particle (
Particle
) or mass
concentration (
Mass
)
Auto Power Off
Setting the automatic switch-
off
Set date and time
You can set the date and time and select whether to display the
time in 24 h or 12 h format.
Please proceed as follows to set the date and time:
2019-09-19
10:20
Date
2016-09-19
24
Hour 16:24
Date Set
1. Press the
SET
(8) or
ESC
button (4) to set the year.
2. Press the
START
button (6) to confirm the selection.
3. Press the
SET
(8) or
ESC
button (4) to set the month.
4. Press the
START
button (6) to confirm the selection.
5. Press the
SET
(8) or
ESC
button (4) to set the day.
6. Press the
START
button (6) to confirm the selection.
7. Press the
SET
(8) or
ESC
button (4) to select either 24 h or
A.M./P.M. format.
8. Press the
START
button (6) to confirm the selection.
9. Press the
SET
(8) or
ESC
button (4) to set the hours.
10. Press the
START
button (6) to confirm the selection.
11. Press the
SET
(8) or
ESC
button (4) to set the minutes.
12. Press the
START
button (6) to confirm the selection.
13. Press the
ESC
button (4) for approx. 2 s to return to the
system settings menu.
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The date and time settings are saved.